wp-includes/class-wp-customize-manager.php:3982Renders JS templates for all registered panel types.
public function render_panel_templates() { foreach ( $this->registered_panel_types as $panel_type ) { $panel = new $panel_type( $this, 'temp', array() ); $panel->print_template(); } }Introduced in 4.3.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-customize-manager.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.